MailCrypt в Android Market

MailCrypt (v. 1.5) Разработано AOSD Ltd

** Added preference menu**
User Guide: http://bit.ly/cItxeX

Encrypt messages with DES. Send the key and the message via separate channels, e.g. SMS Text for the key, email for the message.
When you receive a message, paste the key and encrypted text into the appropriate fields and press the decrypt button.